operator13.java

来自「该原代码为＜Java编程基础、应用与实例＞的附盘代码」· Java 代码 · 共 6 行

public class Operator13{
  public static void main(String[] args){
     System.out.println("abc" instanceof String);
     System.out.println("abc" instanceof Object);
  }
}